\begin{table}%t3 
\caption{\label{tab3}Orbital parameters for the companion to 11~UMi.}

\begin{tabular}{ll}
\hline
\hline
{\rm Period} [{\rm days}]                       & $516.22 \pm 3.25$\\
$T_{{\rm periastron}}$[{\rm JD}]                  & $52861.04 \pm 2.06$\\
$K [{\rm {m~s}^{-1}}]$                              & $189.70 \pm 7.15$ \\
$\sigma({\rm O-C}) [{\rm {m~s}^{-1}}]$          & 27.50  \\
$e $                                                    & $0.08 \pm 0.03$\\
$\omega $[{\rm deg}]                                 & $117.63 \pm 21.06$\\
$f(m) [{M_{\odot}}]$            & $(3.61 \pm 0.44) \times 10^{-7}$ \\
$a [{\rm AU}]$                             & $1.54 \pm 0.07$\\
\hline
\end{tabular}
\end{table}